Work Procedure: Description

WARNING: This page is about a different car, the 2020 Infiniti QX50. However, it is still accessible from the selected car via links, so may be relevant.

Electric intake valve timing control (IVT) module requires the learning of camshaft reference position.

This learning must be performed where the following operations are performed:

Replacement of electric IVT control module
Replacement of intake/exhaust camshaft position sensor
Replacement of crankshaft position sensor
Removal and installation of timing chain
Replacement of the mechanical parts listed below:
- Replacement of timing chain
- Replacement of intake/exhaust camshaft
- Replacement of intake/exhaust camshaft sprocket
- Replacement of piston
- Replacement of connecting rod
- Replacement of crankshaft

NOTE: If learning is not performed after the replacement of the above listed parts, the engine may not be able to be started.

START
Do you have CONSULT?

YES

GO TO 2 .

NO

GO TO 3.
ELECTRIC INTAKE VALVE TIMING (IVT) CONTROL ACTUATOR REFERENCE POSITION LEARNING
With CONSULT
1. Turn ignition switch ON.
2. On CONSULT screen, select All DTC Reading and check that any DTC is not detected.
3. Select "Electric intake valve timing control learning" in "WORK SUPPORT" of "ENGINE".
4. Touch "Start" and start the engine within 10 seconds.
5. Let the engine be idle.
6. Check that "COMPLETED" is displayed.
Is the learning completed normally?

YES

END

NO

Check that DTC is not detected and restart the learning.
PERFORM ELECTRIC IVT CONTROL ACTUATOR REFERENCE POSITION LEARNING
Without CONSULT
1. Turn ignition switch OFF.
2. Disconnect electric IVT control actuator harness connector (actuator side).
3. Turn ignition switch ON and wait at least 30 seconds.
4. Turn ignition switch OFF.
5. Reconnect the disconnected harness connector.
6. Start engine and let it idle at least 15 seconds.
7. Turn ignition switch OFF.
8. Check and erase DTC.
END